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Crazy boy [7]
3 years ago
6

Give an example of seedless vascular plants

Biology
1 answer:
pantera1 [17]3 years ago
3 0

Answer:

Ferns, club mosses, horsetails, and whisk ferns are some examples of seedless vascular plants .

Explanation:

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Anna35 [415]
The answer is step 6!
3 0
3 years ago
Explain why the change in the way that molecules of b globin interact with each other lead to the sickling of the red blood cell
Nataliya [291]

The sickle form of the hemoglobin gene is created when an adenine nucleotide is changed to a thymine. ... That single amino acid replacement in the -globin protein alters the shape and the chemistry of the hemoglobin molecule, causing it to polymerize and distort the red blood cell into the sickle shape.

5 0
3 years ago
What are the range biodiversity ecosystem services
Jobisdone [24]

Answer:

Ecosystem services are the goods and services that biodiversity provides. They include soil formation, the provision of food and fibre, air quality and climate regulation, the regulation of water supply and quality and the cultural and aesthetic value of certain plants and species.

4 0
2 years ago
If the dominant alleles for stem color and fasciation are commonly located on the same chromosome, how could the dominant allele
VikaD [51]

Answer:

Chromosome crossing over in prophase 1 where DNA segments are moved between the homologous pair.

Explanation:

3 0
2 years ago
You have just delivered a premature baby. Your assessment reveals that he is breathing adequately; however, his heart rate is 90
s2008m [1.1K]

Answer:

The answer is letter B, keep him warm and ventilate with BVM.

Explanation:

In order to know more about the answer, let's check out the meaning of "Premature Baby" first.

Premature Baby- a baby born through premature birth <em>(fewer than 37 weeks).</em>  Babies are normally born at the usual <em>40 weeks.</em> Health problems may occur with premature babies, thus it is very important to monitor them.  

In the situation above, the premature baby's heart rate is only 90 beats/min. <em>A resting heart rate for a newborn infant is 130-150 beats per minute. </em>This means that the baby above has a slow heart rate. In order to increase the hear rate, it is important to keep the baby warm and to ventilate with a "Bag Valve Mask" (BVM). <u><em>An increase in internal temperature increases the heart rate. Increasing ventilation will also help increase the heart rate. </em></u>

<u><em>Remember: </em></u>Inhalation increases the heart rate.

4 0
3 years ago
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